Sunbrella Marine cloth is Water resistant, fade resistant and durable. Making this 100% acrylic cloth.the best choice for outdoor pool tables. This is a 3.5 yard cloth piece that includes enough cloth to cover your bed and 6 rails for 7 foot tables. Its important to know that 100% acrylic material shrinks and expands. Especially with overnight temperature swings. In most cases using a hair dryer lightly will tighten up the cloth.